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James Almer ebb48d85a0 swscale/x86/yuv2yuvX: use movq to load 8 bytes in all non-AVX2 functions 
mova expands to movq on non-XMM functions

Signed-off-by: James Almer <jamrial@gmail.com>
2021-02-18 18:47:43 -03:00
compat All: update names in copyright headers 2021-01-20 01:02:56 -06:00
doc avfilter: add vif filter 2021-02-16 15:00:50 +01:00
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fftools ffmpeg: add -fpsmax to clamp output framerate 2021-02-05 22:54:18 +05:30
libavcodec lavc/aarch64: add HEVC sao_band NEON 2021-02-18 14:12:01 +01:00
libavdevice avdevice/avdevice: Deprecate AVDevice Capabilities API 2021-02-14 21:07:57 +01:00
libavfilter dnn_backend_openvino.c: allow out_frame as NULL for analytic case 2021-02-18 09:59:37 +08:00
libavformat avcodec: add initial exr image encoder 2021-02-18 13:00:40 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
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libpostproc lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
libswresample swresample/audioconvert: Fix left shift of negative value 2020-09-30 10:50:45 +02:00
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README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.